diff --git a/PHI-MB/migrations/migrations.lua b/PHI-MB/migrations/migrations.lua
new file mode 100644
index 0000000..84bf79a
--- /dev/null
+++ b/PHI-MB/migrations/migrations.lua
@@ -0,0 +1,24 @@
+for index, force in pairs(game.forces) do
+    local technologies = force.technologies
+    local recipes = force.recipes
+    
+    if technologies['compound-energy-1'].researched then
+        recipes['assembling-machine-4'].enabled = true
+        recipes['assembling-machine-4'].reload()
+        recipes['electric-furnace-2'].enabled = true
+        recipes['electric-furnace-2'].reload()
+        recipes['chemical-plant-2'].enabled = true
+        recipes['chemical-plant-2'].reload()
+        recipes['oil-refinery-2'].enabled = true
+        recipes['oil-refinery-2'].reload()
+    elseif technologies['compound-energy-2'].researched then
+        recipes['assembling-machine-5'].enabled = true
+        recipes['assembling-machine-5'].reload()
+        recipes['electric-furnace-3'].enabled = true
+        recipes['electric-furnace-3'].reload()
+        recipes['chemical-plant-3'].enabled = true
+        recipes['chemical-plant-3'].reload()
+        recipes['oil-refinery-3'].enabled = true
+        recipes['oil-refinery-3'].reload()
+    end
+end